Display apparatus

Abstract

A scan driving circuit of a display apparatus is electrically connected to the display panel through a plurality of scan lines and includes a plurality of stages of driving unit. The driving unit comprises a shift control device outputting a control signal according to a starting signal and a driving device. The driving device outputs an output signal to the corresponding scan line according to the control signal, a first trigger signal and a second trigger signal. The output signal is used as the starting signal of the next stage of driving unit, and the rising transition time of the second trigger signal and the falling transition time of the first trigger signal have an overlap.

What is claimed is: 
     
       1. A display apparatus, comprising:
 a display panel; 
 a data driving circuit electrically connected to the display panel through a plurality of data lines; and 
 a scan driving circuit electrically connected to the display panel through a plurality of scan lines and including a plurality of stages of driving unit, which are respectively corresponding to the scan lines, wherein the driving unit comprises: 
 a shift control device outputting a control signal according to a starting signal; and 
 a driving device electrically connected to the shift control device and outputting an output signal to the corresponding scan line according to the control signal, a first trigger signal and a second trigger signal, wherein the output signal is used as the starting signal of the next stage of driving unit, and the rising transition time of the, second trigger signal and the falling transition time of the first trigger signal have an overlap. 
 
     
     
       2. The display apparatus as recited in  claim 1 , wherein the driving device includes a first transistor, the control terminal of the first transistor is electrically connected to the shift control device, the first terminal thereof is used to receive the second trigger signal, and the second terminal thereof outputs the output signal. 
     
     
       3. The display apparatus as recited in  claim 2 , wherein each stage of driving unit further includes a pull-down device, which is electrically connected to the shift control device and the driving device. 
     
     
       4. The display apparatus as recited in  claim 3 , wherein the pull-down device includes a second transistor, the control terminal of the second transistor is electrically connected to the shift control device, the first terminal thereof is electrically connected to the second terminal of the first transistor, and the second terminal thereof is electrically connected to a reference voltage. 
     
     
       5. The display apparatus as recited in  claim 4 , wherein each stage of driving unit further includes a release device, which is electrically connected to the driving device and controlled by a release signal to release the electric energy of the control signal or output signal. 
     
     
       6. The display apparatus as recited in  claim 5 , wherein the release device includes a third transistor, the control terminal of the third transistor receives the release signal, the first terminal thereof is electrically connected to the control terminal of the first transistor, and the second terminal thereof is electrically connected to the reference voltage. 
     
     
       7. The display apparatus as recited in  claim 1 , further comprising:
 a clock generator electrically connected to every stage of driving unit and generating a plurality of clock signals, and including a first clock signal as the first trigger signal and a second clock signal as the second trigger signal. 
 
     
     
       8. A display apparatus, comprising:
 a display panel; 
 a data driving circuit electrically connected to the display panel through a plurality of data lines; and 
 a scan driving circuit electrically connected to the display panel through a plurality of scan lines and including a plurality of stages of driving unit, which are respectively corresponding to the scan lines, wherein the driving unit comprises: 
 a shift control device outputting a control signal according to a starting signal; 
 a driving device electrically connected to the shift control device and outputting an output signal to the corresponding scan line according to the control signal, a first trigger signal and a second trigger signal; and 
 a release device electrically connected to the driving device and controlled by a release signal to release the electric energy of the control signal or output signal. 
 
     
     
       9. The display apparatus as recited in  claim 8 , wherein the driving device includes a first transistor, the control terminal of the first transistor is electrically connected to the shift control device, the first terminal thereof is used to receive the second trigger signal, and the second terminal thereof outputs the output signal. 
     
     
       10. The display apparatus as recited in  claim 9 , wherein each stage of driving unit further includes a pull-down device, which is electrically connected to the shift control device and the driving device. 
     
     
       11. The display apparatus as recited in  claim 10 , wherein the pull-down device includes a second transistor, the control terminal of the second transistor is electrically connected to the shift control device, the first terminal thereof is electrically connected to the second terminal of the first transistor, and the second terminal thereof is electrically connected to a reference voltage. 
     
     
       12. The display apparatus as recited in  claim 11 , wherein the release device includes a third transistor, the control terminal of the third transistor receives the release signal, the first terminal thereof is electrically connected to the control terminal of the first transistor, and the second terminal thereof is electrically connected to the reference voltage. 
     
     
       13. The display apparatus as recited in  claim 11 , wherein the release device includes a third transistor, the control terminal of the third transistor receives the release signal, the first terminal thereof is electrically connected to the second terminal of the first transistor, and the second terminal thereof is electrically connected to the reference voltage.